This gadget is going to put Captain Nemo out of a job. The United States Navy has just tested a new self-driving, fish-shaped drone submarine that can hibernate on the sea floor for “very long periods ...

Most species of manta and devil rays (genus Mobula) are endangered, yet industrial purse seine fishing vessels unintentionally catch about 13,000 each year while hunting tuna, according to one ...

Drones have revolutionized modern warfare in the sky. Now defense companies and navies are betting they can do the same underwater. The new underwater drones, with names such as Ghost Shark, Herne and ...

A top-secret US submarine prototype weapon called “Manta Ray” has been spotted by eagle-eyed Google Maps users and remains plainly visible to the internet public. Satellite photos showing the “Star ...

Defense contractor and international arms dealer Northrop Grumman has released a photo of a sleek underground drone called the Manta Ray, which closely resembles its oceanic namesake. The “full-size ...

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The state wildlife agency allowing the capture of a threatened species is “inconsistent with Florida’s own legacy of marine conservation,” the lawmakers wrote. Florida is home to a rare manta ray ...